890236430

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{421913}}^1$

素因数の和:422131

約数の個数: 16

約数和(自身を含む): 1610023824

約数和(自身を除く): 719787394

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 421913, 843826, 2109565, 4219130, 89023643, 178047286, 445118215, 890236430]

約数ペア:

[(1, 890236430), (2, 445118215), (5, 178047286), (10, 89023643), (211, 4219130), (422, 2109565), (1055, 843826), (2110, 421913)]